Pith Number

pith:NYS5MLC5

pith:2004:NYS5MLC5OA4MF2NMRQIQME4DWC

not attested not anchored not stored refs pending

Old Galaxies in the Young Universe

A. Cimatti (INAF - Firenze), A. Fontana (INAF - Roma), A. Renzini (ESO), E. Daddi (ESO), E. Vanzella (Universita` di Padova), G. Rodighiero (Universita` di Padova), G. Zamorani (INAF - Bologna), L. Pozzetti (INAF - Bologna), M. Mignoli (INAF - Bologna), P. Cassata (Universita` di Padova), S. Cristiani (INAF - Trieste)

arxiv:astro-ph/0407131 v1 · 2004-07-07 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYS5MLC5OA4MF2NMRQIQME4DWC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Towards Bayesian Photometric Cosmic Chronometers: Application to VIPERS

Receipt and verification

First computed	2026-07-04T16:44:15.819017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e25d62c5d7038c2e9ac8c11061383b0ae74768ea50cc571ddad1f73721f77be

Aliases

arxiv: astro-ph/0407131 · arxiv_version: astro-ph/0407131v1 · doi: 10.48550/arxiv.astro-ph/0407131 · pith_short_12: NYS5MLC5OA4M · pith_short_16: NYS5MLC5OA4MF2NM · pith_short_8: NYS5MLC5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NYS5MLC5OA4MF2NMRQIQME4DWC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6e25d62c5d7038c2e9ac8c11061383b0ae74768ea50cc571ddad1f73721f77be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6da3ff3bb3b5a89f8477baed1e8e4dfcededd2c4791a5dda4b4bedea86ed1e6f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-07T08:33:06Z",
    "title_canon_sha256": "7cd9e1fc1fa58bccbacf91b39bcd3251cc38e1b89db006a38d9faf5305d84a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407131",
    "kind": "arxiv",
    "version": 1
  }
}